Ineed with division you can do the circle ones but you don't have to

Hi!  I'll do the ones you haven't done.   Hope this helps! :-)

24/8 = 3
18/6 = 3
42/7 = 6
27/9 = 3
16/8 = 2
48/8 = 6
63/9 = 7
54/9 = 6
28/7 = 4
16/8 = 2
32/8 = 4 
81/9 = 9
24/4 = 6
32/8 = 4
36/9 = 4
16/8 = 2
49/7 = 7
56/8 = 7
42/6 = 7
16/2 = 8 
18/9 = 2
45/5 = 9 
48/8 = 6
24/8 = 3
15/5 = 3 
18/9 = 9
64/8 = 8
48/6 = 8
18/6 = 3
35/7 = 5
49/7 = 7
20/5 = 4
32/8 = 4
36/9 = 4
20/5 = 4
24/4 = 6
30/6 = 5
48/8 = 6
24/3 = 8
21/3 = 7
40/8 = 5
16/8 = 2
27/9 = 3
42/7 = 6
21/3 = 7
40/8 = 5
16/8 = 2
27/9 = 3
42/7 = 6
21/3 = 7
16/8 = 2
14/7 = 2
54/9 = 6
48/8 = 6
49/7 = 7
63/9 = 7
18/9 = 9
35/7 = 5

Could you make it more clear?